Home / 74,315.07-111,472.31-26,919.08

Finding the Fourth Proportional to 74,315.07, 111,472.31 and 26,919.08

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Solution

The fourth proportional to 74,315.07, 111,472.31 and 26,919.08 is: 40,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.07 : 111,472.31 = 26,919.08 : x
  2. Step 2: Convert to fraction form
    74,315.07/111,472.31 = 26,919.08/x
  3. Step 3: Cross multiply
    74,315.07x = 111,472.31 × 26,919.08
  4. Step 4: Simplify right side
    74,315.07x = 3,000,731,338.72
  5. Step 5: Solve for x
    x = 3,000,731,338.72/74,315.07
  6. Step 6: Final answer
    x = 40,378.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.